Sister of the Groom poster
Where to stream

Sister of the Groom

5.320201h 22mRMovieRomanceComedy

Audrey attempts to stop her brother from marrying a young French woman during their rescheduled wedding weekend in the Hamptons, which happens to be the same weekend she turns 40.

DirectorAmy Miller Gross
WriterAmy Miller Gross
ProducersAlicia Silverstone·Amy Miller Gross

Where to watch

Availability shown for Canada · rights vary by country

Cast · Directed by Amy Miller Gross

ASAlicia Silverstone
Alicia Silverstone
Audrey
MOMathilde Ollivier
Mathilde Ollivier
Clemence
JHJake Hoffman
Jake Hoffman
Liam
TSTom Everett Scott
Tom Everett Scott
Ethan
CBCharlie Bewley
Charlie Bewley
Isaac
MBMark Blum
Mark Blum
Nat
RGRonald Guttman
Ronald Guttman
Philibert
NSNoah Silver
Noah Silver
Orson
AMAbigail Marlowe
Abigail Marlowe
Suzette
LR
Lee Reitelman
Maximus
DG
Deeva Green
Feather
JEJulie Engelbrecht
Julie Engelbrecht
Bernetta

More from Alicia Silverstone · Lead actress

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See all fromAlicia Silverstone

More from Mathilde Ollivier · Co-star actress

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Sister of the Groom — streaming FAQ

Which OTT platform streams Sister of the Groom?

Sister of the Groom isn't on any subscription service in Canada right now, but you can rent or buy it on CosmoGo. It's not on Netflix.

Is Sister of the Groom on Netflix?

No, Sister of the Groom is not on Netflix in Canada as of September 2026. You can rent or buy it on CosmoGo.

Is Sister of the Groom on Amazon Prime Video?

No, Sister of the Groom isn't on Amazon Prime Video in Canada right now.

Where can I watch Sister of the Groom for free?

Sister of the Groom isn't available free in Canada; you can only rent or buy it on CosmoGo.